/Engine/Plugins/Enterprise/DatasmithImporter/Source/DatasmithImporter/Public/ObjectElements/DatasmithUSceneElement.h
UDatasmithSceneElementBaseFind Or Add
[UDatasmithLightActorElement](API\Plugins\DatasmithImporter\ObjectElements\UDatasmithLightActorElement) * FindOrAddElement ( const [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [IDatasmithLightActorElement](API\Runtime\DatasmithCore\IDatasmithLightActorElement) > & InElement )